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Table 3 Smoking status and frequency of leisure-time exercise according to the categorized frequency of common cold

From: Smoking, leisure-time exercise and frequency of self-reported common cold among the general population in northeastern China: a cross-sectional study

Variables

Sample (n = 1413)

Frequency of common colda

P-value

0 (n = 271)

1 (n = 525)

2 (n = 446)

≥3 (n = 171)

Cigarette smoking categories

 Non-smokers

641

138(21.5)

256(39.9)

178(27.8)

69(10.8)

–

 Passive smokers

476

68(14.3)

163(34.2)

178(37.4)

67(14.1)

< 0.001

 Past smokers

82

18(22.0)

30(36.6)

24(29.3)

10(12.2)

0.715

 Light current smokers

113

24(21.2)

42(37.2)

37(32.7)

10(8.8)

0.790

 Heavy current smokers

101

23(22.8)

34(33.7)

29(28.7)

15(14.9)

0.443

Frequency of leisure-time exercise

 Low < 4 days/month

414

63(15.2)

155(37.4)

132(31.9)

64(15.5)

–

 Medium 1–2 days/week

624

110(17.6)

233(37.3)

205(32.9)

76(12.2)

0.206

 High ≥3 days/week

375

98(26.1)

137(36.5)

109(29.1)

31(8.3)

< 0.001

  1. aEpisodes of self-reported common cold in the previous year
  2. Values are shown as numbers and proportions for categorical data
  3. P-values were calculated by ordinal logistic regression
  4. Statistical significance: P < 0.05